291228808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{7757}}^1$

素因数の和:7814

約数の個数: 48

約数和(自身を含む): 620717580

約数和(自身を除く): 329488772

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1976, 2888, 4693, 7757, 9386, 15514, 18772, 31028, 37544, 62056, 100841, 147383, 201682, 294766, 403364, 589532, 806728, 1179064, 1915979, 2800277, 3831958, 5600554, 7663916, 11201108, 15327832, 22402216, 36403601, 72807202, 145614404, 291228808]

約数ペア:

[(1, 291228808), (2, 145614404), (4, 72807202), (8, 36403601), (13, 22402216), (19, 15327832), (26, 11201108), (38, 7663916), (52, 5600554), (76, 3831958), (104, 2800277), (152, 1915979), (247, 1179064), (361, 806728), (494, 589532), (722, 403364), (988, 294766), (1444, 201682), (1976, 147383), (2888, 100841), (4693, 62056), (7757, 37544), (9386, 31028), (15514, 18772)]